net/mlx5: Expose MPEIN (Management PCIE INfo) register layout

Expose PRM layout for handling MPEIN (Management PCIE Info). It will be
used in the downstream patch for querying MPEIN via the driver.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

include/linux/mlx5/driver.h

@@ -133,6 +133,7 @@ enum {
 	MLX5_REG_MTRC_CONF	 = 0x9041,
 	MLX5_REG_MTRC_STDB	 = 0x9042,
 	MLX5_REG_MTRC_CTRL	 = 0x9043,
+	MLX5_REG_MPEIN		 = 0x9050,
 	MLX5_REG_MPCNT		 = 0x9051,
 	MLX5_REG_MTPPS		 = 0x9053,
 	MLX5_REG_MTPPSE		 = 0x9054,

include/linux/mlx5/mlx5_ifc.h

@@ -8025,6 +8025,52 @@ struct mlx5_ifc_ppcnt_reg_bits {
 	union mlx5_ifc_eth_cntrs_grp_data_layout_auto_bits counter_set;
 };
 
+struct mlx5_ifc_mpein_reg_bits {
+	u8         reserved_at_0[0x2];
+	u8         depth[0x6];
+	u8         pcie_index[0x8];
+	u8         node[0x8];
+	u8         reserved_at_18[0x8];
+
+	u8         capability_mask[0x20];
+
+	u8         reserved_at_40[0x8];
+	u8         link_width_enabled[0x8];
+	u8         link_speed_enabled[0x10];
+
+	u8         lane0_physical_position[0x8];
+	u8         link_width_active[0x8];
+	u8         link_speed_active[0x10];
+
+	u8         num_of_pfs[0x10];
+	u8         num_of_vfs[0x10];
+
+	u8         bdf0[0x10];
+	u8         reserved_at_b0[0x10];
+
+	u8         max_read_request_size[0x4];
+	u8         max_payload_size[0x4];
+	u8         reserved_at_c8[0x5];
+	u8         pwr_status[0x3];
+	u8         port_type[0x4];
+	u8         reserved_at_d4[0xb];
+	u8         lane_reversal[0x1];
+
+	u8         reserved_at_e0[0x14];
+	u8         pci_power[0xc];
+
+	u8         reserved_at_100[0x20];
+
+	u8         device_status[0x10];
+	u8         port_state[0x8];
+	u8         reserved_at_138[0x8];
+
+	u8         reserved_at_140[0x10];
+	u8         receiver_detect_result[0x10];
+
+	u8         reserved_at_160[0x20];
+};
+
 struct mlx5_ifc_mpcnt_reg_bits {
 	u8         reserved_at_0[0x8];
 	u8         pcie_index[0x8];
@@ -8344,7 +8390,9 @@ struct mlx5_ifc_pcam_reg_bits {
 };
 
 struct mlx5_ifc_mcam_enhanced_features_bits {
-	u8         reserved_at_0[0x74];
+	u8         reserved_at_0[0x6e];
+	u8         pci_status_and_power[0x1];
+	u8         reserved_at_6f[0x5];
 	u8         mark_tx_action_cnp[0x1];
 	u8         mark_tx_action_cqe[0x1];
 	u8         dynamic_tx_overflow[0x1];
@@ -8944,6 +8992,7 @@ union mlx5_ifc_ports_control_registers_document_bits {
 	struct mlx5_ifc_pmtu_reg_bits pmtu_reg;
 	struct mlx5_ifc_ppad_reg_bits ppad_reg;
 	struct mlx5_ifc_ppcnt_reg_bits ppcnt_reg;
+	struct mlx5_ifc_mpein_reg_bits mpein_reg;
 	struct mlx5_ifc_mpcnt_reg_bits mpcnt_reg;
 	struct mlx5_ifc_pplm_reg_bits pplm_reg;
 	struct mlx5_ifc_pplr_reg_bits pplr_reg;